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MQF21.4-0750-18_03 Datasheet, PDF (1/1 Pages) Vectron International, Inc – Monolithic crystal filter
Monolithic crystal filter
MQF21.4-0750/18
Application
• 8 pol filter
• i.f.- filter
• use in mobile and
stationary transceivers
Limiting values
Center frequency
Insertion loss
Pass band at 3.0 dB
Ripple in pass band
Stop band attenuation
Maximum input power
Continuous input power
fo
fo ± 3.00 kHz
fo ± 9.0 kHz
fo ± 12.5...500 kHz
Terminating impedance Z
R1 || C1
R2 || C2
Unit
Value
MHz
dB
kHz
dB
dB
dB
dBm
dBm
21.4
≤ 3.5
± ≥3.75
≤ 2.0
≥ 65
> 90
≤ 10
≤0
Ohm/pF 470 || 15
Ohm/pF 470 || 15
Operating temp. range
°C
-20... +70
Characteristics MQF21.4-0750/18
Pass band
Stop band
Pin connections:
1 Input
2 Ground-Input
3 Output
4 Ground-Output
TELE FILTER Zweigniederlassung der DOVER Germany GMBH
06.05.03
Potsdamer Str. 18 D- 14513 Teltow (+49)03328-4784-10 ; Fax (+49)03328-4784-30 http:\\www.vectron.com